Flexible chair



FIG. 1 is a front elevational view of a flexible chair embodying my new design; the rear view is a picture image thereof. The right side view is a picture image thereof. The left side view is a picture image thereof. The bottom view is a picture image thereof.

FIG. 2 is a perspective view of the flexible chair embodying my new design.

FIG. 3 is a front elevational view of the flexible chair with a hypothetical person sitting in it; and,

FIG. 4 is a right side view of the flexible chair with a hypothetical person sitting in it. 

The ornamental design for a flexible chair, as shown and described. 